ARLINGTON, Texas—Fortress Security, based here, expanded its reach into the Houston metro area this summer, drawn by a strong demand for its services, a slightly larger Houston market and a larger pool of technicians, said company founder and owner Jerrod Smith.

SAN DIEGO—The $3 million that Huntington Capital, a private equity firm based here, recently loaned to door-knocking company Envision Security marks Huntington’s first foray into the security space, but more such investments could be in its future.

BOCA RATON, Fla.—Homeowners already can make some rules for their home security/home automation systems, such as telling a thermostat to adjust itself if the temperature goes up. But a new relationship that ADT has with service provider IFTTT could soon open the door to Pulse customers putting even more devices in their homes on autopilot, the company said this week.

SAN RAMON, Calif.—In a deal that brings it 300 employees, $1.5 million in RMR, 25,000 customers, a guard business and a central station, SAFE Security, based here, has acquired the alarm business of Safeguard Security, a super-regional that’s been family owned for more than 50 years.

MOOREVILLE, N.C.—In the two years since Lowe’s launched Iris, the new do-it-yourself home automation/home security product is doing so well it’s offered in Lowe’s stores nationwide and the company is trialing an installation option for customers who need extra help.

YARMOUTH, Maine—Home security giant Protection 1 is up for sale for more than $1.5 billion, Reuters reported this week. Likely buyers could range from a top private equity firm to a telecom or cableco, an industry analyst told Security Systems News.